Крупный план эксперимента ученых с реагентом и пипеткой - Стоковое фото и изображение

Biological testing. Serious nice bearded biologist holding test samples and looking at them while conducting an analysis

Selective focus of scientist with flask in hand in lab

Portrait of a male laboratory assistant holding flask with liquid.. Science, chemistry, technology, biology and people concept

Young man scientist in while uniform working in laboratory

Scientist dropping solution from pipette into flask

Cropped shot of professional scientist making experiment in chemical lab

Scientist in protective wear examining test tube with blue liquid at laboratory

Close-up partial view of scientists making experiment with reagent and flasks

Cropped shot of chemists in white coats working with reagent in flask at laboratory

Close-up partial view of scientist making experiment in chemical lab

Close-up view of concentrated young scientist in protective mask working with microscope in chemical lab

Young female scientist in eyeglasses holding flask while making experiment in chemical lab

Close-up partial view of scientists making experiment with reagent and flasks